Fire Weather Issues; Pacific System Moving Inland

Dry fuels, strong winds and dry weather will continue to bring elevated to critical fire weather conditions to the areas of the Plains, Midwest and Southeast today. A Pacific storm system will bring low elevation rain and heavy high elevation mountain snow to California through early week, expanding into the Pacific Northwest, Great Basin, and southern California on Tuesday. Read More >

Current conditions at

LOS ALTOS (LOAC1)

Lat: 37.35472°NLon: 122.14167°WElev: 539.0ft.

NA

61°F

16°C

Humidity 65%
Wind Speed SW 7 MPH
Barometer NA
Dewpoint 49°F (9°C)
Visibility NA
Last update 20 Apr 04:10 PM PDT
Extended Forecast for

2 Miles SSW Cupertino CA

  • This Afternoon

    This Afternoon: Rain likely, then showers and possibly a thunderstorm after 5pm.  High near 65. South southwest wind around 15 mph, with gusts as high as 26 mph.  Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 65 °F

    Showers

  • Tonight

    Tonight: Rain and possibly a thunderstorm before 3am, then showers likely and possibly a thunderstorm between 3am and 5am, then a chance of rain after 5am.  Low around 50. South southwest wind 5 to 10 mph becoming light south  after midnight. Winds could gust as high as 22 mph.  Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 50 °F

    Showers

  • Tuesday

    Tuesday: Rain and thunderstorms before noon, then showers and possibly a thunderstorm, mainly after noon.  High near 61. South southeast wind 5 to 10 mph becoming southwest in the morning. Winds could gust as high as 21 mph.  Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 61 °F

    Showers

  • Tuesday Night

    Tuesday Night: Showers likely and possibly a thunderstorm before 8pm, then rain likely, mainly between 8pm and 11pm.  Mostly cloudy, with a low around 47. Southwest wind 5 to 8 mph becoming calm  after midnight. Winds could gust as high as 18 mph.  Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 47 °F

    Showers
    Likely

  • Wednesday

    Wednesday: A 30 percent chance of rain before 11am.  Mostly sunny, with a high near 64. Calm wind becoming west 5 to 7 mph in the afternoon.  New precipitation amounts of less than a tenth of an inch possible.

    High: 64 °F

    Chance Rain
    then Mostly
    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 44.

    Low: 44 °F

    Mostly Clear

  • Thursday

    Thursday: Patchy fog before 8am.  Otherwise, mostly sunny, with a high near 70.

    High: 70 °F

    Patchy Fog
    then Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 47.

    Low: 47 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 70.

    High: 70 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Rain likely, then showers and possibly a thunderstorm after 5pm. High near 65. South southwest wind around 15 mph, with gusts as high as 26 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
Rain and possibly a thunderstorm before 3am, then showers likely and possibly a thunderstorm between 3am and 5am, then a chance of rain after 5am. Low around 50. South southwest wind 5 to 10 mph becoming light south after midnight. Winds could gust as high as 22 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday
Rain and thunderstorms before noon, then showers and possibly a thunderstorm, mainly after noon. High near 61. South southeast wind 5 to 10 mph becoming southwest in the morning. Winds could gust as high as 21 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday Night
Showers likely and possibly a thunderstorm before 8pm, then rain likely, mainly between 8pm and 11pm. Mostly cloudy, with a low around 47. Southwest wind 5 to 8 mph becoming calm after midnight. Winds could gust as high as 18 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday
A 30 percent chance of rain before 11am. Mostly sunny, with a high near 64. Calm wind becoming west 5 to 7 mph in the afternoon. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
Mostly clear, with a low around 44.
Thursday
Patchy fog before 8am. Otherwise, mostly sunny, with a high near 70.
Thursday Night
Partly cloudy, with a low around 47.
Friday
Mostly sunny, with a high near 70.
Friday Night
Partly cloudy, with a low around 48.
Saturday
Partly sunny, with a high near 68.
Saturday Night
Partly cloudy, with a low around 48.
Sunday
Mostly sunny, with a high near 67.
Sunday Night
Partly cloudy, with a low around 48.
Monday
Mostly sunny, with a high near 70.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSW Cupertino CA
 37.28°N 122.06°W (Elev. 666 ft)
1:26 pm PDT Apr 20, 2026
4pm PDT Apr 20, 2026-6pm PDT Apr 27, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database